package day02;

public class DoubleDemo {
    public static void main(String[] args) {
        double a = 3.14;
        float b = 3.14f;
        double c = 30.0,d = 0.1;
        System.out.println(c-d);
        double e = 3.14,f = 0.14;
        System.out.println(e-f);
        double g = 1.0,h = 0.9;
        System.out.println(g-h);
        //System.out.println(b-a);
    }
}
